2017 Final LCR Study Results Fresno. Vera Hart Regional Transmission Engineer Stakeholder Call April 14, 2016

Transcription

1 2017 Final LCR Study Results Fresno Vera Hart Regional Transmission Engineer Stakeholder Call April 14, 2016

2 Fresno LCR Area Kern Area Slide 2

3 Greater Fresno Area Electrical Boundaries and LCR Sub-Areas Electrical Boundaries: LCR Sub-Areas: Warnerville Melones Gates McCall 230 kv line Gates Gregg 230 kv line Wilson Wilson Sub Area Panoche Kearney 230 kv line Los Banos Panoche Helm 230 kv line Warnerville Wilson 230 kv line Gregg Helms Melones Wilson 230 kv line Kearney Panoche 230/115 kv transformer #1 Panoche 230/115 kv transformer #2 Panoche Smyrna Alpaugh Corcoran 115 kv line Los Banos #3 230/70 kv transformer Mcmullin Helm McCall Herndon Los Banos #4 230/70 kv transformer Coalnga Gates 70 kv Kngsbrg San Miguel Coalinga #1 70 kv line San Miguel Henrietta Corcoran Gates 230/70 kv transformer #1 Gates Alpaugh Slide 3

4 Fresno Area Load and Resources (MW) 2017 Load = 2867 AAEE = -35 Transmission Losses = 132 Total Load = 2964 Market Generation = 3072 Muni Generation = 167 QF Generation = 64 Total Qualifying Capacity = 3303 Slide 4

5 New transmission projects modeled: 1. Kearney 230/70 kv Transformer Addition (2017) 2. Kearney - Caruthers 70 kv Line Reconductor (2017) 3. Caruthers - Kingsburg 70 kv Line Reconductor (2017) 4. Reedley-Dinuba 70 kv Line Reconductor (2017) 5. Reedley-Orosi 70 kv Line Reconductor (2017) 6. Helm - Kerman 70 kv Line Reconductor (2017) 7. Oakhurst/Coarsegold UVLS (2017) 8. Gregg - Herndon #2 230 kv Line Circuit Breaker Upgrade (2017) 9. Los Banos - Livingston Jct - Canal 70 kv Switch Replacement (2017) 10. Warnerville - Bellota 230 kv Line Reconductoring (2017) Slide 5

6 2017 Hanford Sub-Area Limiting Contingencies: Category P6: L-1/T-1: McCall-Kingsburg #2 115 kv & Henrietta 230/115kV TB #3 Constraint McCall-Kingsburg #1 115kV line McCall Category P1: No LCR need Hanford Small Solar Contingency Cat. P6 LCR 58 QF 0 Muni 0 Deficiency 0 Gates Henrietta Corcoran Kingsburg GWF-Hanford Slide 6

7 2017 Coalinga Sub-Area Limiting Contingencies: Category P1-P7: T-1/L-2: Gates 230/70kV TB #5 and Panoche-Schindler #1 & #2 115kV common tower lines Constraint: Voltage instability Category P1: No LCR need Contingency Cat. P1-P7 LCR 33 QF 2 Muni 0 Deficiency 0 To Paso Robles Jacalito Coalinga 1 Tornado J Penzir Jc Coalinga 2 Plesant Valley Q633 SS Coalinga Q526 Coalinga Cogen Gates Huron Calfax Q532 Schindler Schindler D To Panoche Slide 7

8 2017 Borden Sub-Area Limiting Contingencies: Borden Category P1: No LCR need Category P6: L-1/T-1: Friant - Coppermine 70 kv and Borden 230/70 kv # 2 Constraint: Borden 230/70 kv # 1 Friant Coppermine Solar Unit Madera Biola Contingency Cat. P1 Cat. P6 LCR 0 4 QF 0 0 Tivy Valley To Reedley Borden SJ#1 Glass SJ#2 Bonita Muni 0 0 Wishon Deficiency 0 0 SJ#3 Crane Valley Slide 8

9 2017 Reedley Sub-Area Limiting Contingencies: Category P6: L-1-1: McCall-Reedley (McCall-Wahtoke) 115 kv & Sanger-Reedley( Pomegranate- Pomegranate Jct) 115kV Kings River Constraint: Kings River-Sanger-Reedley 115 kv Category P1: No LCR need Reedley Sand Creek Reedley Sanger Contingency Cat. P6 Parlier LCR 29 QF 0 Muni 0 Deficiency 19 McCall Wahtoke Dinuba Orosi Slide 9

10 Limiting Contingency: Category P3: G-1/L-1: Herndon-Barton 115kV & Kings River Constraint: Herndon-Manchester 115kV Category P6: Same as Category P3 Category P7: - L-2: Gregg-Herndon #1 & #2 230kV Lines Constraint: Gregg-Ashlan 230 kv Line Contingency Cat. P Herndon Sub-Area Cat. P LCR QF Muni Le Grand Ashlan Panoche Wilson Herndon Gates Gregg KRCD Henrietta Woodward Coppermine Malaga Rio Bravo Fresno GWF Hanford Bullard Manchester Barton Sanger McCall Kingsburg Kerckhof Clovis Helms Haas, Balch Kings River, Pine Flats Slide 10

11 2017 Wilson Sub-Area Limiting Contingencies: Category P3: G-1/L-1: Melones Wilson 230 kv with one Helms unit out of service Constraint: Warnerville-Wilson 230 kv Category P6: See next page Merced Mendota Melones Wilson Borden Madera Warnerville Gregg Fresno Helms Panoche Kearney Herndon Contingency Cat. P3 McMullin LCR 1760 QF 64 Muni 167 Deficiency 0 Helm Gates Henrietta McCall Hanford Haas, Balch, Pine Flats Slide 11

12 Limiting Contingencies: Category P6: - Contingency 1 L-1/G-1: Melones Wilson 230 kv followed by one Helms unit out Constraint: Warnerville-Wilson 230 kv LCR: 1650 MW Category P7: - Contingency 2 L-2: Gregg-Helms #1 & #2 230 kv Constraint: Warnerville-Wilson 230 kv LCR: 934 MW Not Including Helms Gen 2017 Wilson Sub-Area Merced Mendota Melones Wilson Borden Madera Warnerville Gregg Fresno Helms Contingency Cat. P3 Cat. P7 Panoche Kearney Herndon LCR McMullin QF Helm McCall Muni Deficiency 0 0 Gates Henrietta Hanford Haas, Balch, Pine Flats Slide 12

13 Changes Since last year: 1) 2017 load decreased by 367 MW vs ) LCR has decreased by 740 MW due to load decrease Since last stakeholder meeting: 1) Updated NQC Your comments and questions are welcome. For written comments, please send to: Slide 13